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Cosmic rays modulation in different time scales and its variation with transient events

Grant number: 13/20876-8
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): February 01, 2014
Effective date (End): January 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geophysics
Principal Investigator:Emilia Correia
Grantee:Edith Tueros Cuadros
Host Institution: Escola de Engenharia (EE). Universidade Presbiteriana Mackenzie (UPM). Instituto Presbiteriano Mackenzie. São Paulo , SP, Brazil


The aim of this is to study the variation in the intensity of low-energy cosmic rays from long to short term time scales. The intensity of cosmic rays in the Earth's surface changes with time and shows variations related to the 11-year solar cycle and shorter-duration phenomena like flares and CME's, which may cause significant effects in the near-Earth environment. Some studies have evidenced that cosmic rays could be related to atmospheric phenomena, showing variations associated with pressure and temperature. This study uses the cosmic rays data detected with detector CARPET, operating at Complex Astronomico El Leoncito (CASLEO) in the Argentinean Andes, with the objective to study in detail their long duration modulation associated with the 11-year solar cycle, as well as with the medium and short term variations related to seasonal changes in temperature and pressure, and solar transients.

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